94 apid^;. 



femora, except at their base above, and the apex of the interme- 

 diate and posterior pairs, yellow ; wings hyaline and iridescent ; 

 the nervnres black, the tegulse rafo-testaceous. The basal seg- 

 ment of the abdomen with two narrow lines that curve back- 

 wards and almost unite in the middle of the segment, the second 

 and third with a line on their apical margins laterally, narrowest 

 within, the fourth segment with a longer line, that on the fifth 

 entire, that on the sixth widest in the middle, yellow; the 

 seventh pointed in the middle of the apical margin and tipped with 

 yellow. 



Bab. Celebes, Macassar. 



8. Ceratina cognata. 



Male. Length 3| lines. — Black, shining and finely punctured, varie- 

 gated with yellow. The clypeus, the face on each side of it, a nar- 

 row line at the inner orbits of the eyes not reaching their summit, 

 a transverse line above the clypeus, the labrum, and a short narrow 

 line behind the eyes, yellow. The collar of the thorax, the tuber- 

 cles, scutellum, tibiae, tarsi, and tips of the femora yellow ; wings 

 hyaline and iridescent ; the nervures rufo-testaceous, the tegulse 

 pale rufo-testaceous. Abdomen with four spots placed trans- 

 versely on the basal segment, the second and third segments with 

 a subquadrate spot laterally, each having a short narrow abbre- 

 viated line emanating from it along the apical margin of the 

 segments ; the fourth segment has similar markings, but the nar- 

 rower lines almost coalesce in the middle of the segment ; the fifth 

 has a continuous fascia, which is widest in the middle ; the sixth 

 has a similar fascia, yellow. 



Hah. Celebes, Macassar. 



9. Ceratina pubescens. 



Female. Length 4| lines. — Dark bronze-green, the disk of the 

 thorax with a purple tint ; the sides of the thorax, the legs, abdo- 

 men beneath, the sides, and apical portion above with short hoary 

 pubescence, very dense on the metathorax. Head closely and 

 strongly punctured ; the clypeus with a central longitudinal line, 

 a narrow line on the lower portion of the inner orbits of the eyes, 

 and a broader one behind the eyes, yellow. Thorax strongly punc- 

 tured, the mesothorax with a smooth space on the disk ; the base of 

 the metathorax smooth and of a coppery lustre ; legs black ; wings 

 subhyaline, nervures testaceous ; stigma and costal nervure black. 

 Abdomen much narrowed at the base ; the basal segment smooth 

 and shining ; the second and third segments closely punctured ; 

 the three following segments rugose. 



Hab. Ega and Tunantins. 



